The Rh System is a CLINICAL CLASSIFICATION.

In addition to the antigens present in the ABO System, red blood cells sometimes have another antigen, a protein called the Rh factor.

This means that a PERSON can be one of eight blood groups:

For further information on the Rh System, see the NHS Choices website.

 

This supporting information is also known by these names:
ContextAlias
fullnameRhesus Blood Group System